EP0156104A1 - Einrichtung zum Befestigen eines Maschinenelements - Google Patents
Einrichtung zum Befestigen eines Maschinenelements Download PDFInfo
- Publication number
- EP0156104A1 EP0156104A1 EP85100347A EP85100347A EP0156104A1 EP 0156104 A1 EP0156104 A1 EP 0156104A1 EP 85100347 A EP85100347 A EP 85100347A EP 85100347 A EP85100347 A EP 85100347A EP 0156104 A1 EP0156104 A1 EP 0156104A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- machine element
- nut
- contacting
- clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/09—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces
- F16D1/093—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping
- F16D1/095—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping with clamping effected by ring contraction only
- F16D1/096—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping with clamping effected by ring contraction only the ring or rings being located between the shaft and the hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/073—Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/09—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces
- F16D1/093—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping
- F16D1/094—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping using one or more pairs of elastic or segmented rings with mutually mating conical surfaces, one of the mating rings being contracted and the other being expanded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/10—Force connections, e.g. clamping
- F16C2226/16—Force connections, e.g. clamping by wedge action, e.g. by tapered or conical parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
- F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
Definitions
- the invention relates to a device of the kind defined in the introduction of claim 1.
- Such devices are known by e.g. the Swedish patent publication 7909531-1, and are commonly used for affixing e.g. bearings to shafts,
- a clamping force is thereby established by axial displacement of the inner ring of the bearing, or of a sleeve arranged therein, the sleeve or the ring having a tapered bore, along a sleeve which has a corresponding tapered outer surface.
- the bearing ring is thereby clamped against the sleeve, which is simultaneously clamped against the shaft,
- the axial displacement is usually brought about by tightening a nut or a number of screws against an end plane of the ring .
- the bearing ring is moved axially in relation to the shaft during the clamping procedure, whereby the position of the bearing, when mounted to the shaft, is indetermined. Further, the internal play of the bearing is changed during the clamping procedure. which causes a temperature rise in the bearing in operation and also impairs the bearing characteristics in other respects.
- the purpose of the present invention is to provide a device of the kind stated in the introduction in which device the disadvantages mentioned above are avoided. This is achieved, according to the invention, by giving the device the characterizing features defined in claim 1.
- Fastening and unfastening can be brought about very easily with such a device, and the machine elements to be fastened need not be specially designed.
- a machine element here exemplified by a bearing is fixed to a shaft 2 (Figs. 1,2,4,5) or in a bore in a surrounding element (Fig. 3).
- the fastening device comprises a clamping sleeve 4 which is enclosed by, or encloses, the machine element 1.
- An annular member 5 is arranged around the sleeve 4 and can be displaced on it so that the sleeve is clamped radially.
- An end surface of the machine element 1 takes up an axial force which is exerted during the clamping procedure.
- the surface portions of the sleeve and the annular member 5 which are intended for contacting each other have wedge shaped profiles, and corresponding surface portions of the sleeve and the machine element have such a shape that no appreciable relative displacement occurs between the sleeve and the machine element when said axial force is exerted.
- the sleeve 4 is provided with a radial flange 6 intended to abut the machine element 1 and take up axial forces which are exerted to the machine element when the member 5 is made to move in relation to the sleeve.
- the sleeve 4 may have a cylindrical portion on which the machine element 1 can be placed, and the member 5 can be a nut with a threaded bore arranged on a corresponding threaded portion of the sleeve 4, the thread suitably having a great pitch, e.g. 0,5 - 1 times the axial extension of the nut, one of the thread flanks defining a relatively small angle with the sleeve axis.
- a great pitch e.g. 0,5 - 1 times the axial extension of the nut, one of the thread flanks defining a relatively small angle with the sleeve axis.
- Figure 2 shows how the machine element 1 can be kept in position on the sleeve 4 by the fact that the bore of the machine element 1 and the surface portionsof the sleeve 4 intended for contacting the machine element have wedge-shaped axial section profiles, the wedge angle ⁇ thereby being greater than the wedge angle p of the surface portion of the sleeve 4 which contacts the annular member 5.
- the portion which defines the angle ⁇ is a conical portion, and the portion which defines the angle 6 can be designed according to figure 1 or be a plurality of conical portions arranged in sequence, on which portions is arranged an annular member 5 with a corresponding bore.
- a number of axial screws 7 arranged in threaded bores in the annular member 5 and abutting machine element 1 are used for bringing about the displacement required for squeezing the member 5 upon the cones with the angle 6, thereby fixing the sleeve 4 to the shaft 2.
- the machine element 1 is fixed by the reactive force from the screws 7 against the conical portion with the angle ⁇ on the sleeve, whereby, because of the fact that the angle ⁇ is relatively great, no great radial force component is obtained in the contact between the machine element 1 and the sleeve 4, and no appreciable axial displacement of the machine element 1 on the sleeve 4 occurs.
- Figure 3 shows an embodiment of the invention in the shape of a device for fastening an outer ring of a rolling bearing in a bore of a surrounding element 3, e.g a bearing housing.
- the wedged portions of the sleeve 4 are herewith situated in the bore of the sleeve.
- the member 5 can be a nut with an external thread with a saw tooth profile having a wedge angle ⁇ corresponding to the embodiment of figure 1.
- the envelope surface of the outer ring of the bearing 1 can be provided with a thread with a saw tooth profile having a wedge angle ⁇ , or have a number of conical portions with a cone angle 2 ⁇ , the sleeve 4 having a corresponding shape.
- the machine element 1 has a conical bore arranged on a corresponding conical seat on a sleeve 4.
- Fastening can be carried out by squeezing the machine element 1 on to the cone bv tightening a nut 5 corresponding to the nut 5 of figure 1,
- the sleeve may be provided with a threaded portion adjacent the large end of the conical portion which is enclosed by machine element 1, a second nut 8 corresponding to nut 5 being provided on this threaded portion.
- This nut 8 can be used for enhancing the clamping force of the sleeve 4 against a shaft if the nut is tightened against the machine element 1 after the machine element 1 has been secured to the enclosed cone 1-y the nut 5, whereby both nuts are used for clamping the sleeve without the machine element 1 being moved axially in relation to the sleeve 4.
- the nuts 5 and 8 can be hydraulic nuts, known per se, comprising an axially movable annular piston, the nut threads being modified according to what has been described with reference to figure 1.
- Figure 5 shows that also double clamping sleeves 4,9 can be used in the present invention. This gives the advantage that the machine element 1 can have a cylindrical bore but still can be clamped radially to a press fit. The machine element 1 may thereby be a standard ball bearing.
- Figure 6 shows a section perpendicular to the axis of the sleeve thread according to figure 1.
- flank angle in the axial section corresponds to a conicity of 1:12 , which is common for tapered clamping sleeves for fastening of rolling bearings
- the wedge angle of the circular wedge when evoluted in a plane, provided the thread pitch is 10 mm, is such that it corresponds to a conicity of 1:100 - 1:400 for the most common bearing sizes.
- the shape of the cross section of the sleeve threads as shown in figure 6 entails that the nut 5 will get a slightly oval shape when tightened, and the nut will thus act as a radially resilient spring. Because of the very small wedge angle of t'e circular wedge and the resiliency of the oval nut, the nut is self-locking and does not have to be secured by locking washers. which constitutes another advantage of the described system.
- the clamping surfaces the profiles of which are shown in figure 6 may possibly be cylindrical, i.e. they may not necessarily have a thread shape, whereby no axial movement of the member 5 takes place when the member is turned on the sleeve.
- the sleeve is thereby only clamped radially because of the spiral shape of the cross section of the clamping surfaces. Axial forces can thereby be brought about by means of axially directed screws, as shown in figure 2.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Clamps And Clips (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8401126A SE443419B (sv) | 1984-03-01 | 1984-03-01 | Anordning for fastsettning av ett maskinelement |
SE8401126 | 1984-03-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0156104A1 true EP0156104A1 (de) | 1985-10-02 |
EP0156104B1 EP0156104B1 (de) | 1989-10-04 |
Family
ID=20354952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85100347A Expired EP0156104B1 (de) | 1984-03-01 | 1985-01-15 | Einrichtung zum Befestigen eines Maschinenelements |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0156104B1 (de) |
JP (1) | JPS60208618A (de) |
DE (1) | DE3573456D1 (de) |
SE (1) | SE443419B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2663384A1 (fr) * | 1990-06-19 | 1991-12-20 | Jouve Jean | Manchon d'accouplement. |
CN106979238A (zh) * | 2017-05-16 | 2017-07-25 | 响水县贝斯特传动件有限公司 | 一种紧定套锁紧装置 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0721288B2 (ja) * | 1985-02-26 | 1995-03-08 | 正典 望月 | トルク伝達継手 |
SE456031B (sv) * | 1986-07-01 | 1988-08-29 | Skf Nova Ab | Anordning for fastklemning av en lagerring med en klemhylsa |
US5232249A (en) * | 1987-05-27 | 1993-08-03 | Harald Kolvereid | Fastening device |
US5216941A (en) * | 1987-05-27 | 1993-06-08 | Harald Kolvereid | Tool for securing a fastening device |
NO875052L (no) * | 1987-05-27 | 1988-11-28 | Harald Kolvereid | Festeanordning samt verktoey for fastspenning av samme. |
JP2006214461A (ja) * | 2005-02-01 | 2006-08-17 | Maruyasu Kikai Kk | 軸受装置及びそれを用いたローラコンベヤ |
DE102005032529A1 (de) * | 2005-07-12 | 2007-01-25 | Siemens Ag | Festkörperaktor-Antriebsvorrichtung mit einer Welle und einem Lager zum Lagern der Welle |
SE532159C2 (sv) | 2008-03-12 | 2009-11-03 | Skf Ab | En monteringshylsa för montering av en ring på en axel och en lagerenhet innefattande en sådan monteringshylsa |
JP5269267B1 (ja) * | 2013-04-04 | 2013-08-21 | 裕二 石戸 | 軸継手 |
JP6339336B2 (ja) * | 2013-09-13 | 2018-06-06 | 株式会社ハイレックスコーポレーション | 軸受構造 |
CN110671427A (zh) * | 2019-10-09 | 2020-01-10 | 南京荧河谷科技有限公司 | 一种可抵消轴颈形状公差的轴承 |
DE102021127160A1 (de) | 2021-10-20 | 2023-04-20 | Bayerische Motoren Werke Aktiengesellschaft | Distanzhülse |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2751540B2 (de) * | 1977-11-18 | 1980-04-03 | Deere & Co., Moline, Ill. (V.St.A.), Niederlassung Deere & Co. European Office, 6800 Mannheim | Spannverbindung |
AT359783B (de) * | 1977-06-28 | 1980-11-25 | Normark Olov Magnus | Kupplung zur mechanischen verbindung zweier bauteile, insbesondere eines rohres mit einem maschinenteil |
GB2063422A (en) * | 1979-11-19 | 1981-06-03 | Skf Nova Ab | Coupling by friction |
DE3001998C2 (de) * | 1979-01-22 | 1983-09-29 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Befestigungshülse für Maschinenteile |
DE2904003C2 (de) * | 1978-02-03 | 1983-10-20 | Fmc Corp., Chicago, Ill. | Vorrichtung zum Befestigen eines röhrenförmigen Teils auf einer Achse oder Welle |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS564912Y2 (de) * | 1977-09-22 | 1981-02-03 |
-
1984
- 1984-03-01 SE SE8401126A patent/SE443419B/sv not_active IP Right Cessation
-
1985
- 1985-01-15 DE DE8585100347T patent/DE3573456D1/de not_active Expired
- 1985-01-15 EP EP85100347A patent/EP0156104B1/de not_active Expired
- 1985-02-27 JP JP60036707A patent/JPS60208618A/ja active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT359783B (de) * | 1977-06-28 | 1980-11-25 | Normark Olov Magnus | Kupplung zur mechanischen verbindung zweier bauteile, insbesondere eines rohres mit einem maschinenteil |
DE2751540B2 (de) * | 1977-11-18 | 1980-04-03 | Deere & Co., Moline, Ill. (V.St.A.), Niederlassung Deere & Co. European Office, 6800 Mannheim | Spannverbindung |
DE2904003C2 (de) * | 1978-02-03 | 1983-10-20 | Fmc Corp., Chicago, Ill. | Vorrichtung zum Befestigen eines röhrenförmigen Teils auf einer Achse oder Welle |
DE3001998C2 (de) * | 1979-01-22 | 1983-09-29 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Befestigungshülse für Maschinenteile |
GB2063422A (en) * | 1979-11-19 | 1981-06-03 | Skf Nova Ab | Coupling by friction |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2663384A1 (fr) * | 1990-06-19 | 1991-12-20 | Jouve Jean | Manchon d'accouplement. |
CN106979238A (zh) * | 2017-05-16 | 2017-07-25 | 响水县贝斯特传动件有限公司 | 一种紧定套锁紧装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0156104B1 (de) | 1989-10-04 |
SE8401126D0 (sv) | 1984-03-01 |
JPS60208618A (ja) | 1985-10-21 |
DE3573456D1 (en) | 1989-11-09 |
JPH0328601B2 (de) | 1991-04-19 |
SE8401126L (sv) | 1985-09-02 |
SE443419B (sv) | 1986-02-24 |
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